{"id":279,"date":"2016-02-20T14:20:16","date_gmt":"2016-02-20T14:20:16","guid":{"rendered":"http:\/\/www.hitsteps.com\/blog\/?p=279"},"modified":"2016-02-20T14:20:28","modified_gmt":"2016-02-20T14:20:28","slug":"how-to-patch-your-linux-server-against-newly-discovered-glibc-vulnerability","status":"publish","type":"post","link":"http:\/\/www.hitsteps.com\/blog\/how-to-patch-your-linux-server-against-newly-discovered-glibc-vulnerability\/","title":{"rendered":"How to patch your Linux Server against newly discovered glibc vulnerability?"},"content":{"rendered":"<p>There is a very critical security problem detected with linux server which allow hackers to gain access to your Mailserver and SSH without ever knowing it&#8217;s password.<\/p>\n<p>It is a buffer overflow caused by Glibc known as GHOST, it is vulnerability # CVE-2015-0235 which announced on 27th January. <a href=\"http:\/\/www.openwall.com\/lists\/oss-security\/2015\/01\/27\/9\">More details about this issue is here.<\/a><\/p>\n<p>You can patch your C Library (Glibc in CentOS or libc in Debian) easily know. they have published fix and all you need to do is to update your server and then reboot it.<\/p>\n<p>In CentOS (5,6,7) you can run following commands to fix this issue:<\/p>\n<pre>yum update glibc<\/pre>\n<p>and then you need to reboot your server:<\/p>\n<pre>shutdown -r now<\/pre>\n<p>And you are on safe side now!<\/p>\n<p>In Debian or Ubuntu, you can use:<\/p>\n<pre>apt-get update\r\napt-get upgrade<\/pre>\n<p>to update your OS.<\/p>\n<p>again, type reboot command to reboot your server:<\/p>\n<pre>reboot<\/pre>\n<p>and now your servers\u00a0are safe \ud83d\ude42<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There is a very critical security problem detected with linux server which allow hackers to gain access to your Mailserver and SSH without ever knowing it&#8217;s password. It is a buffer overflow caused by Glibc known as GHOST, it is vulnerability # CVE-2015-0235 which announced on 27th January. More details about this issue is here. &hellip; <a href=\"http:\/\/www.hitsteps.com\/blog\/how-to-patch-your-linux-server-against-newly-discovered-glibc-vulnerability\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">How to patch your Linux Server against newly discovered glibc vulnerability?<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-279","post","type-post","status-publish","format-standard","hentry","category-news"],"_links":{"self":[{"href":"http:\/\/www.hitsteps.com\/blog\/wp-json\/wp\/v2\/posts\/279","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.hitsteps.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.hitsteps.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.hitsteps.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.hitsteps.com\/blog\/wp-json\/wp\/v2\/comments?post=279"}],"version-history":[{"count":1,"href":"http:\/\/www.hitsteps.com\/blog\/wp-json\/wp\/v2\/posts\/279\/revisions"}],"predecessor-version":[{"id":282,"href":"http:\/\/www.hitsteps.com\/blog\/wp-json\/wp\/v2\/posts\/279\/revisions\/282"}],"wp:attachment":[{"href":"http:\/\/www.hitsteps.com\/blog\/wp-json\/wp\/v2\/media?parent=279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.hitsteps.com\/blog\/wp-json\/wp\/v2\/categories?post=279"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.hitsteps.com\/blog\/wp-json\/wp\/v2\/tags?post=279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}